mirror of
https://github.com/shadow1ng/fscan.git
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70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
package common
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import (
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"errors"
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"net"
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"net/url"
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"strings"
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"time"
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"golang.org/x/net/proxy"
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)
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type Socks5 struct {
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Address string
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}
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func WrapperTcpWithTimeout(network, address string, socks5Proxy Socks5, timeout time.Duration) (net.Conn, error) {
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d := &net.Dialer{Timeout: timeout}
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return WrapperTCP(network, address, socks5Proxy, d)
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}
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func WrapperTCP(network, address string, socks5Proxy Socks5, forward *net.Dialer) (net.Conn, error) {
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//get conn
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var conn net.Conn
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if socks5Proxy.Address == "" {
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var err error
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conn, err = forward.Dial(network, address)
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if err != nil {
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return nil, err
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}
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} else {
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dailer, err := Socks5Dailer(forward, socks5Proxy)
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if err != nil {
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return nil, err
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}
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conn, err = dailer.Dial(network, address)
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if err != nil {
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return nil, err
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}
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}
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return conn, nil
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}
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func Socks5Dailer(forward *net.Dialer, socks5Proxy Socks5) (proxy.Dialer, error) {
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u, err := url.Parse(socks5Proxy.Address)
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if err != nil {
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return nil, err
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}
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if strings.ToLower(u.Scheme) != "socks5" {
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return nil, errors.New("Only support socks5")
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}
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address := u.Host
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var auth proxy.Auth
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var dailer proxy.Dialer
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if u.User.String() != "" {
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auth = proxy.Auth{}
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auth.User = u.User.Username()
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password, _ := u.User.Password()
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auth.Password = password
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dailer, err = proxy.SOCKS5("tcp", address, &auth, forward)
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} else {
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dailer, err = proxy.SOCKS5("tcp", address, nil, forward)
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}
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if err != nil {
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return nil, err
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}
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return dailer, nil
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}
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